WKT-61/62 Time Synchronization Tester is a high-precision clock synchronization testing instrument developed and manufactured by Beijing Weikot Electric Technology Co., Ltd. The product can realize the measurement, calibration, output, generation and display of frequency, clock, second pulse, time message, SOE and other signals, which are widely used in power system, industrial control and communication system.

YW2200 Intelligent Electricity Meter is an intelligent three-phase comprehensive electricity parameter monitoring instrument with programmable function, automatic measurement, LCD display, electric energy accumulation, digital communication and other functions. It converts three-phase alternating current quantity into standardized digital quantity in a linear relationship. It integrates digitalization, intelligence, and networking, so that the measurement process and data analysis processing are automated, reducing human errors, and can completely replace electrical quantity transmitters, electric meters, digital instruments, data acquisition instruments and other instruments. It is an ideal product for building an electrical automation system. Its compact structure, advanced circuit, and powerful measurement function are a revolutionary design for traditional instruments.

The SHL-100A fully automatic circuit resistance tester is a new generation product developed by Qingdao Sifang Electric Automation Equipment Co., Ltd. This tester uses high-frequency switch power supply technology and digital circuit technology, and has the characteristics of small size, light weight, constant current output, high accuracy, and easy operation. It is suitable for measuring the main circuit resistance of high-voltage circuit breakers and provides convenience for users.